Update the analysis server integration tests to always run on the analysis driver.

pkg/analysis_server/test/integration/analysis/get_errors_test.dart

Index: pkg/analysis_server/test/integration/analysis/get_errors_test.dart
diff --git a/pkg/analysis_server/test/integration/analysis/get_errors_test.dart b/pkg/analysis_server/test/integration/analysis/get_errors_test.dart
index ce66f0569bf2d5122c9ba7d02f4682c0c8bfe534..b610f6245439918a820bb7b07f36f2cc67f05adb 100644
--- a/pkg/analysis_server/test/integration/analysis/get_errors_test.dart
+++ b/pkg/analysis_server/test/integration/analysis/get_errors_test.dart
@@ -14,16 +14,15 @@ import '../integration_tests.dart';
 main() {
   defineReflectiveSuite(() {
     defineReflectiveTests(GetErrorsTest);
-    defineReflectiveTests(GetErrorsTest_Driver);
   });
 }
 
 /**
  * Base class for testing the "analysis.getErrors" request.
  */
-class AnalysisDomainGetErrorsTest
-    extends AbstractAnalysisServerIntegrationTest {
-  AnalysisDomainGetErrorsTest();
+@reflectiveTest
+class GetErrorsTest extends AbstractAnalysisServerIntegrationTest {
+  GetErrorsTest();
 
   test_getErrors() {
     String pathname = sourcePath('test.dart');
@@ -42,12 +41,3 @@ main() {
     return analysisFinished.then((_) => finishTest());
   }
 }
-
-@reflectiveTest
-class GetErrorsTest extends AnalysisDomainGetErrorsTest {}
-
-@reflectiveTest
-class GetErrorsTest_Driver extends AnalysisDomainGetErrorsTest {
-  @override
-  bool get enableNewAnalysisDriver => true;
-}